On-Vehicle Inspection

1. Warm up the engine, stop the engine and wait 5 minutes. The oil level should be between the dipstick's low level make and full level mark.

If low, check for leakage and add oil up to the full level mark.

Fig 1: Identifying Viscosity Temperature Range

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1. Check the oil for deterioration, water contamination, discoloring or thinning.

If the quality is visibly poor, replace the oil.

Oil grade: 

API grade SL, Energy-Conserving or ILSAC, multi-grade engine oil is recommended. SAE 5W-30 is the best choice for your vehicle for good fuel economy and good starting in cold weather. 

1. Disconnect the oil pressure switch connector.
2. Using a 24 mm deep socket wrench, remove the oil pressure switch.
   Fig 3: Installing Oil Pressure Gauge

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1. Install the oil pressure gauge.

Specification 

Fig 4: Oil Pressure Specification Table

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If the oil pressure is not as specified, check the oil pump (see OVERHAUL ).

Fig 5: Applying Adhesive To Threads Of Oil Pressure Switch

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1. Remove the oil pressure gauge.
2. Apply adhesive to 2 or 3 threads of the oil pressure switch.

   Adhesive: 

   Part No. 08833-00080, THREE BOND 1344, LOCTITE 242 or equivalent 

   Fig 6: Installing Oil Pressure Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a 24 mm deep socket wrench, install the oil pressure switch.

   Torque: 19.6 N.m (200 kgf.cm, 14 ft.lbf) 

   NOTE: Do not start the engine within 1 hour after installation.
4. Connect the oil pressure switch connector.